Which of the following is not a property of water? A. It is an excellent solvent.
B. It contains weak hydrogen bonds.
C. It is a nonpolar molecule.
D. It has a greater surface tension than most compounds.

metals are good conductor of electricity. it has free electrons on their surface. according to electron pool theory, each atom present in a metal crystal losses all of its valence electron and as a result a pool of free is form. these pool of electrons are free to move and   conduct electricity easily   while making metal as good conductor.

the correct answer is a. the ability of electrons to flow throughout the metal.

if it's not useful, feel free to report for mistake in answer.

i think that the answer is c